<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <link rel="stylesheet" href="/static/css/home.css">
</head>
<body>
  <div id="box"></div>
  <% for(var i=0;i<ret.length;i++) { %>
    <button><%= ret[i].a %></button>
    <button><%= ret[i].c %></button>
    <button><%= ret[i].d %></button>
  <%}%>
</body>
</html>